Finding the Fourth Proportional to 89,922.89, 124,017.39 and 54,106.20

Step by Step Solution

1. Step 1: Write the proportion equation
   89,922.89 : 124,017.39 = 54,106.20 : x
2. Step 2: Convert to fraction form
   89,922.89/124,017.39 = 54,106.20/x
3. Step 3: Cross multiply
   89,922.89x = 124,017.39 × 54,106.20
4. Step 4: Simplify right side
   89,922.89x = 6,710,109,706.82
5. Step 5: Solve for x
   x = 6,710,109,706.82/89,922.89
6. Step 6: Final answer
   x = 74,620.71